KeyBanc Downgrades PerkinElmer To Sector Weight

KeyBanc downgraded

from Overweight to Sector Weight and removed the price target of $52.00. PerkinElmer shares have gained 19.57 percent over the past 52 weeks, while the S&P 500 index has surged 11.87 percent in the same period. PerkinElmer's shares closed at $52.55 on Friday.